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Применение поливинилового спирта

Polyvinyl alcohol is an important chemical raw material used in the manufacture of polyvinyl acetal, gasoline-resistant pipes and vinylon, fabric treatment agents, emulsifiers, paper coatings, ...

Краткое введение в процесс производства поливинилового спирта

The production of polyvinyl alcohol is divided into three ways according to the different raw materials: one is petroleum → ethylene → vinyl acetate → ...

Возникновение и развитие поливинилацетата

Polyvinyl alcohol was first developed by German chemists W.0. Herrmann and W.W. Hachnel in 1924, because it can carry out typical polyol chemical reactions and pass. Insoluble treatment makes it ...

Применение гидроксипропилметилцеллюлозы

Used as thickener, dispersant, binder, exciphant, oil resistant coating, filler, emulsifier and stabilizer in textile industry.  Also widely used in synthetic resin, petrochemical, ceramic, paper, leather, ...

Применение ПВА в медицине

PVA hydrogel has the characteristics of water content, elastic modulus, low friction coefficient, high mechanical strength, rich pore leakage network structure, and good biocompatibility similar ...

Применение поливинилового спирта в глазных каплях

Due to the development of science and technology, people are surrounded by electronic products all day long. People who often use these electronic products can ...

The use of PVA in coatings

Polyvinyl alcohol also has good uses in coatings. The polyvinyl alcohol aqueous solution is condensed with formaldehyde under the catalysis of hydrochloric acid to form ...

New biodegradable packaging materials

In recent years, the development of new biodegradable packaging materials has received extensive attention. Renewable natural polymers have been used to evaluate the biodegradability of ...

Перспективы развития поливинилового спирта

Polyvinyl alcohol (PVA) is a high-molecular polymer, made from vinyl acetate (VAC) through polymerization and alcoholysis. It has good adhesion, film-forming properties, oil resistance, and ...

В Китае открылась 130-я Кантонская ярмарка, дебютировавшая после эпидемии

The opening ceremony of the 130th Canton Fair and Pearl River International Trade Forum was held in Guangzhou. This Canton Fair is a landmark international ...

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